soil texture classification

例句：

1. 1. Soiltexture classification is essential for understanding the structureof soil.
   土壤质地分类对于理解土壤结构至关重要。
2. 2. The classification of soil texture helpsfarmers determine the best planting methods.
   土壤质地分类帮助农民确定最佳的种植方法。
3. 3. Theresearch on soil texture classification has greatly improvedour understanding of soil properties.
   关于土壤质地分类的研究极大地提高了我们对土壤属性的理解。